19806948

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1483}}^1$

素因数の和:1553

約数の個数: 72

約数和(自身を含む): 58339008

約数和(自身を除く): 38532060

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 84, 106, 126, 159, 212, 252, 318, 371, 477, 636, 742, 954, 1113, 1483, 1484, 1908, 2226, 2966, 3339, 4449, 4452, 5932, 6678, 8898, 10381, 13347, 13356, 17796, 20762, 26694, 31143, 41524, 53388, 62286, 78599, 93429, 124572, 157198, 186858, 235797, 314396, 373716, 471594, 550193, 707391, 943188, 1100386, 1414782, 1650579, 2200772, 2829564, 3301158, 4951737, 6602316, 9903474, 19806948]

約数ペア:

[(1, 19806948), (2, 9903474), (3, 6602316), (4, 4951737), (6, 3301158), (7, 2829564), (9, 2200772), (12, 1650579), (14, 1414782), (18, 1100386), (21, 943188), (28, 707391), (36, 550193), (42, 471594), (53, 373716), (63, 314396), (84, 235797), (106, 186858), (126, 157198), (159, 124572), (212, 93429), (252, 78599), (318, 62286), (371, 53388), (477, 41524), (636, 31143), (742, 26694), (954, 20762), (1113, 17796), (1483, 13356), (1484, 13347), (1908, 10381), (2226, 8898), (2966, 6678), (3339, 5932), (4449, 4452)]